九年级英语when was it invented课件13

,When was it invented ?,Unit 9,Period 1,A: What is the car used for?B: The car is used for traveling/driving.,A: What is the _ used for?B: I think it is used for _.,talking with people/calling,A: What is the used for?B: I think it is used for _.(ride),riding,A: What is the used for?B: I think it is used for _.(work),working,What are they used for?,They are used for giving light.,light bulbs,A: What is the _ used for?B: It is used for _.,counting,(count),calculator,A: What is the used for?B: It is used for _.(count),counting,abacus,A: What is the used for?B: It is used for _. (watch the things far away clearly),watching the thingsfar away clearly.,binoculars,A: What is the _ used for?B: It is used for _ .,making the food hot.,(make the food hot),microwave oven,What is/are used for? Its/Theyre used for,part 2,A: When was the car invented?B: Well, I think it was invented in .,Guess,1885187619271971,A: When was the telephone invented?B: Well, I think it was invented in .,Guess,1885187619271971,1b,Listen and match the inventions with the dates.,a,b,e,d,c,1876_1885_1927_1971_1976_,d,a,b,e,c,1a,1,3,4,2,5,Answer : the right order they were invented,A: When was the _ invented?B: I think it was invented in _.,Pairwork (1c:P68),1976,1885,1876,1927,1971,1876,1885,1927,1971,1976,part 5,When was the car invented? It was invented in 1885.,Look at the things. In what order do you think they were invented?,1a,A: I think the calculator was invented before the computer.B: Well, I think the calculator was invented after the computer.,A: I think was invented before B: Well, I think was invented after .,game,A: I think was invented before B: Well, I think was invented after .,game,A: I think was invented before B: Well, I think was invented after ,game,A: I think was invented before B: Well, I think was invented after ,game,Edison invented the light bulb.,-The light bulb was invented by Edison.,-Who was the light bulb invented by?,The telephone by Bell.,was invented,-Who was the telephone invented by?,Bell invented the telephone.,_ was invented by _.,The car,Karl Benz,Who was the car invented by?,Karl Benz invented the car.,Henry FordEdisonBellTsai LunWright brothersfisher,inventors,inventions,PapermakingPlane Washing machineLight bulbCar Telephone,A: When was invented?B: It was invented inA: Who was it invented by?B: It was invented byA: What is the used for?B: The is used for doing,pairwork,What are they?,shoes with adjustable可调节的 heels后跟,heated ice cream scoop 加热的冰淇淋勺,battery-operated slippers 电池操作的 拖鞋,3 new inventions,names,battery,battery-operated slippers,heated ice cream scoop,shoes with adjustable heels,电池供电的拖鞋,加热的冰激凌勺,可调节后跟的鞋,shoes with adjustable heels,heated ice cream scoop,scooping really cold ice cream,battery-operated slippers,seeing in the dark,changing the style of the shoes,What are they used for?,2a,Listen and number the inventions inthe order that you hear.,3,1,2,Listen again. Match the inventions with their inventors and uses.,2b,Listening (2b: P69),1. Battery-operated slippers were invented by Julie Thompson.They are used for seeing in the dark.2. Heated ice cream scoop is invented by Chelsea Lanmon.It is used for scooping really cold ice cream.,Listening (2b: P69),3. Shoes with adjustable heels were invented by Jayce Coziar and Jamie Ellsworth.They are used for changing the style of the shoes.,A: What is this? B: It is a car. A: What is it used for? B: It is used for driving. A: Who was it invented by ? B: It was invented by Karl Benz. A: When was it invented ? B: It was invented in 1885.,Karl Benz,1885,1976,Steven Wozniak,Steve Jobs,1876,Bell,1927,John Baird,1.被动语态定义被动语态表示主语是动作的承受者。如：The telephone was invented by Bell in 1876.,2.被动语态的构成被动语态由“助动词be+及物动词的过去分词“构成。助动词be有人称、数和时态的变化，其变化规则与be作为连系动词时完全一样。如：(1).It was invented in 1876. (2)They are used for listening to music.,3.被动语态的用法当我们不知道谁是动作的执行者或者没有必要指出谁是动作的执行者，或者只须强调动作的承受者时，要用被动语态，如：English is spoken in Canada.,Grammar:The passive voice(被动语态）,1. My jacket is made of cotton.,2. Stamps are used for sending letters.,3. It was built in 1380.,4. It was made of stone and metal.,5. It was used for travelling.,The passive voice.,被动语态,主动语态变为被动语态的步骤:,把原主动句中的宾语转换为被动语态的主语.2.把动词改为被动形式,即 “be + 过去分词” . 注意 be动词要按新的主语的人称和数进行变化,时态要和原来的主动语态的时态保持一致.3. 原来主动语态句中的